Home / 199,715.67-275,609.49-113,670.43

Finding the Fourth Proportional to 199,715.67, 275,609.49 and 113,670.43

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Solution

The fourth proportional to 199,715.67, 275,609.49 and 113,670.43 is: 156,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,715.67 : 275,609.49 = 113,670.43 : x
  2. Step 2: Convert to fraction form
    199,715.67/275,609.49 = 113,670.43/x
  3. Step 3: Cross multiply
    199,715.67x = 275,609.49 × 113,670.43
  4. Step 4: Simplify right side
    199,715.67x = 31,328,649,240.38
  5. Step 5: Solve for x
    x = 31,328,649,240.38/199,715.67
  6. Step 6: Final answer
    x = 156,866.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.